[rhythmbox] help: Fix broken Feedback link in 'About' section

[Andre Klapper <aklapper src gnome org>]

commit 71b8382c9fb422aec6b677f5598cf7d314870313
Author: Andre Klapper <a9016009 gmx de>
Date:   Thu Jan 2 23:37:22 2020 +0100

    help: Fix broken Feedback link in 'About' section

 help/C/index.docbook | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/help/C/index.docbook b/help/C/index.docbook
index d02d3b11a..2e0f138d3 100644
--- a/help/C/index.docbook
+++ b/help/C/index.docbook
@@ -193,9 +193,8 @@
     </releaseinfo> 
     <legalnotice> 
       <title>Feedback</title> 
-      <para>To report a bug or make a suggestion regarding the &app; application or
-      this manual, follow the directions in the <ulink url="ghelp:gnome-feedback"
-         type="help">GNOME Feedback Page</ulink>. 
+      <para>To report a bug or make a suggestion regarding the &app; application or this manual, visit
+      the <ulink url="https://gitlab.gnome.org/GNOME/rhythmbox/issues/";>GNOME Issue Tracker</ulink>. 
       </para>
 <!-- Translators may also add here feedback address for translations -->
     </legalnotice>